Sometimes people ask why this Krishna consciousness movement simply advocates the worship of Krishna to the exclusion of the demigods. The answer is given in this verse. The example of pouring water on the root of a tree is very appropriate. In Bhagavad-gita (15.1) it is said, urdhva-mulam adhah-sakham: this cosmic manifestation has expanded downward, and the root is the Supreme Personality of Godhead. As the Lord confirms in Bhagavad-gita (10.8), aham sarvasya prabhavah: “I am the source of all spiritual and material worlds.” Krishna is the root of everything; therefore rendering service to the Supreme Personality of Godhead, Krishna (Krishna-Seva), means automatically serving all the demigods. Sometimes it is argued that karma and jnana require a mixture of bhakti in order to be successfully executed, and sometimes it is argued that bhakti also requires karma and jnana for its successful termination. The fact is, however, that although karma and jnana cannot be successful without bha...